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Isqrt

Syntax

Isqrt(N:INT):INT
    

Summary

computes the (truncated) square root of an integer

Description

This function computes the square root of an integer. If the argument is not a perfect square it returns the integer part of the square root.

example

    
Isqrt(16);
4
-------------------------------
Isqrt(99);
9
-------------------------------
Isqrt(-1);
ERROR: Expected non-negative INT
CONTEXT: Isqrt(-1)
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